Merge pull request #249 from pwpiwi/parity

[proxmark3-svn] / armsrc / lfops.c

diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index d79c75a0bf68784a3fcbc46ad5ac3ef158e64f08..75aa134240aedffa1eb5b73f4482a76920ef637f 100644 (file)
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -1571,27 +1571,27 @@ void SendForward(uint8_t fwd_bit_count) {
        fwd_write_ptr = forwardLink_data;
        fwd_bit_sz = fwd_bit_count;
 
-       // Set up FPGA, 125kHz
+       // Set up FPGA, 125kHz or 95 divisor
        LFSetupFPGAForADC(95, true);
 
        // force 1st mod pulse (start gap must be longer for 4305)
        fwd_bit_sz--; //prepare next bit modulation
        fwd_write_ptr++;
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
-       SpinDelayUs(56*8); //55 cycles off (8us each)for 4305  /another reader has 37 here...
+       WaitUS(55*8); //55 cycles off (8us each)for 4305  //another reader has 37 here...
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);//field on
-       SpinDelayUs(18*8); //16 cycles on (8us each)  // another reader has 18 here
+       WaitUS(18*8); //18 cycles on (8us each)
 
        // now start writting
        while(fwd_bit_sz-- > 0) { //prepare next bit modulation
                if(((*fwd_write_ptr++) & 1) == 1)
-                       SpinDelayUs(32*8); //32 cycles at 125Khz (8us each)
+                       WaitUS(32*8); //32 cycles at 125Khz (8us each)
                else {
                        //These timings work for 4469/4269/4305 (with the 55*8 above)
                        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
-                       SpinDelayUs(23*8); //16-4 cycles off (8us each) //23  //one reader goes as high as 25 here
+                       WaitUS(23*8); //23 cycles off (8us each)
                        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);//field on
-                       SpinDelayUs(16*8); //16 cycles on (8us each) //9  // another reader goes to 17 here
+                       WaitUS(18*8); //18 cycles on (8us each)
                }
        }
 }
@@ -1618,6 +1618,7 @@ void EM4xReadWord(uint8_t Address, uint32_t Pwd, uint8_t PwdMode) {
        BigBuf_Clear_ext(false);
 
        LED_A_ON();
+       StartTicks();
        //If password mode do login
        if (PwdMode == 1) EM4xLogin(Pwd);
 
@@ -1626,7 +1627,7 @@ void EM4xReadWord(uint8_t Address, uint32_t Pwd, uint8_t PwdMode) {
        fwd_bit_count += Prepare_Addr( Address );
 
        SendForward(fwd_bit_count);
-       SpinDelayUs(400);
+       WaitUS(400);
        // Now do the acquisition
        DoPartialAcquisition(20, true, 6000);
        
@@ -1645,6 +1646,7 @@ void EM4xWriteWord(uint32_t flag, uint32_t Data, uint32_t Pwd) {
        BigBuf_Clear_ext(false);
 
        LED_A_ON();
+       StartTicks();
        //If password mode do login
        if (PwdMode) EM4xLogin(Pwd);
 
@@ -1658,7 +1660,7 @@ void EM4xWriteWord(uint32_t flag, uint32_t Data, uint32_t Pwd) {
        //Wait for write to complete
        //SpinDelay(10);
 
-       SpinDelayUs(6500);
+       WaitUS(6500);
        //Capture response if one exists
        DoPartialAcquisition(20, true, 6000);